@article{PDMA_2014_7_a31,
     author = {V. A. Anjin},
     title = {Content protection with bitstream watermarking at decryption stage},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {73--74},
     publisher = {mathdoc},
     number = {7},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2014_7_a31/}
}